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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Branson, E. B. (Edwin Bayer), - Tansey, Vivian Ouray. - Stewart, Grace Anne,
    Publication info: Rolla, Mo, Missouri Bureau of Geology and Mines, 1922
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Devonian  Devoon  Geology  Geology, Stratigraphic  Missouri  Paleontologie